18648303

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:331

約数の個数: 24

約数和(自身を含む): 26775312

約数和(自身を除く): 8127009

約数列:

[1, 3, 17, 51, 137, 157, 289, 411, 471, 867, 2329, 2669, 6987, 8007, 21509, 39593, 45373, 64527, 118779, 136119, 365653, 1096959, 6216101, 18648303]

約数ペア:

[(1, 18648303), (3, 6216101), (17, 1096959), (51, 365653), (137, 136119), (157, 118779), (289, 64527), (411, 45373), (471, 39593), (867, 21509), (2329, 8007), (2669, 6987)]